PACB Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
PACB dark pool volume for the week of 2026-07-06: 2.8M shares traded across 26 ATS venues with a total notional value of $4.4M. Volume is down 23.4% week-over-week. Primary routing venues include , INTELLIGENT CROSS LLC, LEVEL ATS.
Dark pool activity in PACB reflects institutional order flow executing on Alternative Trading Systems (ATS) registered with the SEC — private venues where large-block trades are matched away from public exchanges to minimize price impact. StonkWhisper ingests FINRA-published ATS volume data to track these off-exchange flows. Sustained elevation in dark pool percentage — particularly when concentrated at specific venues — can indicate institutional accumulation or distribution ahead of significant price moves. The interactive charts below show 12-week historical volume and complete venue breakdown for PACB.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 2.8M | — | -23.4% |
| 2026-06-29 | 3.6M | — | -17.4% |
| 2026-06-22 | 4.4M | — | +79.1% |
| 2026-06-15 | 2.5M | — | -47.2% |
| 2026-06-08 | 4.6M | — | -21.3% |
| 2026-06-01 | 5.9M | — | +48.9% |
| 2026-05-25 | 4.0M | — | +15.2% |
| 2026-05-18 | 3.4M | — | -28.8% |
| 2026-05-11 | 4.8M | — | +0.8% |
| 2026-05-04 | 4.8M | — | +1.8% |
| 2026-04-27 | 4.7M | — | — |
| 2026-03-23 | 4.1M | — | +4.3% |